Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Homework Help Guidelines for Students and Helpers
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Hey! I posted in homework help but now it's gone!
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Homework Help: Introductory Physics Formulary
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Force between the plates of a capacitor with dielectric slab inserted
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27
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83
Can you please explain Bernoulli's equation?
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7
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60
Charge upon a parallel plate capacitor
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16
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63
Showing that this equation is a solution to the linear wave equation
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8
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72
Find momentum transfer and force on the head with and without a helmet
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19
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153
Percentage change in the density of a gas
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5
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33
Capacitance of a parallel plate capacitor with a metal plate kept inside
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10
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68
Incompatibility between ideal gas equations of state
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2
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31
Amplitude of a circular ripple at distance r from source
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6
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50
Centrifugal and inertial force in centrifuge
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6
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62
Graph for sinusoidal wave travelling to the left
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13
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87
Percentage of glass bottle under water=60%, density of bottle and volume=?
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15
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115
Find the final velocity of the bobsled after the last bobsledder jumps in
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2
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38
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164
Rigid Body Problem Involving a Tilted Rotating Disc
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10
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100
Why is electric field at the center of a charged disk not zero?
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4
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70
Undamped forced oscillator
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6
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78
Relationship between buoyancy Force and the gravitational force between two bodies?
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5
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65
Differentiating the equation for the mechanical energy of a spring
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15
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110
Puck collision with rod using angular momentum conservation
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32
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265
Driving force from buzzer for jacket of length L
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2
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42
Find the value of ##t## when ##P## returns to ##X##- Kinematics
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18
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299
Electric force on the charge kept at the centre of a metallic shell
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32
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244
Placing rock under ladder to stop it from slipping
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10
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154
Motional EMF in the presence of a time-varying magnetic field
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11
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142
A book rests at an angle against one side of a bookshelf...
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2
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66
Vertical loop problem
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7
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81
100m dash kinematics problem
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14
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Please check my understanding of these two questions about Atmospheric Pressure
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5
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112
Electric field at a point close to the centre of a conducting plate
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7
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110
Finding the electric potential above a charged metal toroid (electrostatic lens)
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4
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113
Pressure in a gas container measured with a barometer and a U pipe
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6
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72
AP French Relativity chapter 3 problem
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2
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110
Linear Acceleration of an Object Hanging by a String from a Rotating Wheel
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12
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164
Spring Problem with 3 springs suspending 3 masses in series in an elevator
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9
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145
Plate sliding on ice with friction (Physics competition question)
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2
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41
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377
Pressure of water at the end of faucet coming from an elevated water barrel?
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15
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196
Finding the potential difference in a circuit
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2
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78
Air table puck collision
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3
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What does atmospheric pressure have to do with the gauge pressure?
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3
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153
Elevator uniform speed problem
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11
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Relativistic momentum in terms of another relativisic momentum
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6
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130
Unknown symbol help
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5
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122
Physics I problem: Find the work done by a variable Force along a defined path
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23
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351
MIT OCW, 8.02, Electromagnetism: Charged Cylindrical Shell
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7
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130
How does soap water membrane thickness affect surface tension?
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2
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118
Induced polarization for collision between conducting spheres
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4
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150
Flux from magnet (Why is the Flux not zero through the loop?)
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9
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181
At what time after t=0 does the object again pass its initial position?
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19
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200
Acceleration of Uranium 238 ion through a potential difference
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27
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232
Why does this not work? Projectile Motion problem for Dynamics Class
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19
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331
Length element in Ampere's law
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32
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379
Electrostatic equilibrium problem
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6
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114
Derivation for capacitance of cylindrical capacitor
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2
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106
Is there an alternate symbol for mu for x 10^-6 ?
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2
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172
Which of these is correct when the absolute temperature of a gas is doubled?
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12
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169
Why is temperature constant after gas has expanded?
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33
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319
Finding ##v## for four particles after being released from square
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24
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276
Finding the final speed of a space probe using work and kinetic energy
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7
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178
Definition of information
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14
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210
Torque calculation for a compound pendulum
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15
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176
Net work and kinetic energy (pushing a wagon to accelerate it)
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1
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161
Measurement of gastrocnemius muscle (attaches to the Achilles tendon) tightness with a special device
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18
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267
Why do we need conservation of energy for a rod accelerating due to magnetic force?
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15
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250
Solving linear charge density from volume charge density using Gauss' Law
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1
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144
Solved problem: Particle trajectory with fixed angle between acceleration and velocity
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3
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196
Which statement is true? (Velocity and Acceleration of a Tennis Ball)
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2
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68
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Discontinuous voltage graph for bullet going through metal coils
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2
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131
Another method for Continuous Charge Distributions Electric Potential problem
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13
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185
B-field for a half-infinitely long wire
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9
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223
Manometer Force analysis
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2
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Kinematics vs Energy Approach (work done on an accelerating car by the engine)
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11
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205
Max speed of proton in cyclotron
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7
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170
Finding velocity for projectile given distances and launch angle
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3
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193
Graphing electric potential for two positive charges
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16
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203
Fictitious forces on a rigid body
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9
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231
Which system to apply conservation of momentum to?
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2
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182
How do I find way of comparing the density of the Earth and the Moon?
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9
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218
Simple harmonic motion for an electric dipole in a uniform electric field
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1
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145
Electrostatics homework problem help
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12
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613
Integrating electric field of rod
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25
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342
I cannot work out constants a and b -- please help
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4
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206
Dynamic circular motion
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6
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193
Work is done against friction
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11
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275
Average force when a bouncy ball collides with surface
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23
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Atmospheric muons' lifetime
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11
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221
Finding equivalent capacitance
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6
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229
Standing wave, phase and antiphase
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7
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245
Difference in Wave Phase Question
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8
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2K
Volume-pressure equation for an expanding ideal gas
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10
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241
Vector equations for adding speeds while switching frames of reference in Galilean physics
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17
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770
Calculate the distance a projectile travels using a rough approximation (Hooke's Law) for a slingshot
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2
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35
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560
Determining if a pipe is open or closed from given the resonant frequencies
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9
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15K
When is power constant in this scenario?
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25
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300
Ideal gas problem -- What is the volume of the gas when its temperature is maximum?
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3
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242
What is the electric field strength inside the capacitor?
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6
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What exactly is wrong here? (F=ma when Force and acceleration are zero)
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17
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379
The Physics of Light and Sound
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8
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254
Areal velocity formula
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2
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271
Heating up of tyres on the road
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30
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347
Proving SHM for charged spring mass system in electric field
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2
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199

Intro Physics Homework Help

Get introductory physics homework help, step by step from mentors. We do not give answers but guide you to it with your effort.

This is for algebra and calculus based general physics homework. Usually this is high school and undergraduate level problems.

Please use the template when asking for help, include all information and provide a reasonable attempt at a solution.

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